Home / 19,720,443.60-29,580,665.40-16,697,134.80

Finding the Fourth Proportional to 19,720,443.60, 29,580,665.40 and 16,697,134.80

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Solution

The fourth proportional to 19,720,443.60, 29,580,665.40 and 16,697,134.80 is: 25,045,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,720,443.60 : 29,580,665.40 = 16,697,134.80 : x
  2. Step 2: Convert to fraction form
    19,720,443.60/29,580,665.40 = 16,697,134.80/x
  3. Step 3: Cross multiply
    19,720,443.60x = 29,580,665.40 × 16,697,134.80
  4. Step 4: Simplify right side
    19,720,443.60x = 493,912,357,657,495.94
  5. Step 5: Solve for x
    x = 493,912,357,657,495.94/19,720,443.60
  6. Step 6: Final answer
    x = 25,045,702.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.